Adding Hadrian as co-chair candidate (#7)

* Adding Hadrian as co-chair candidate

* Update elections/2023/candidates.md

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Co-authored-by: Hadrian Zbarcea <hadrian.zbarcea@inrupt.com>
Co-authored-by: Sarven Capadisli <info@csarven.ca>

Author: 3 people

elections/2023/candidates.md

@@ -3,4 +3,5 @@ Index of chair candidates based on [Solid CG Chair Election 2023: Chair Self-Nom
 * elf Pavlik ([2023-10-16](https://lists.w3.org/Archives/Public/public-solid/2023Oct/0055.html))
 * Michiel de Jong ([2023-11-24](https://lists.w3.org/Archives/Public/public-solid/2023Nov/0099.html))
 * Matthias Evering ([2023-11-24](https://lists.w3.org/Archives/Public/public-solid/2023Nov/0102.html))
+* Hadrian Zbarcea ([2023-11-27](https://lists.w3.org/Archives/Public/public-solid/2023Nov/0111.html))
 * Virginia Balseiro ([2023-11-28](https://lists.w3.org/Archives/Public/public-solid/2023Nov/0112.html))